एपीए उद्धरण

World Trade Organization. (1995). Second protocol to the general agreement on trade in services. WTO.

शिकागो स्टाइल उद्धरण

World Trade Organization. Second Protocol to the General Agreement on Trade in Services. Geneva: WTO, 1995.

एमएलए उद्धरण

World Trade Organization. Second Protocol to the General Agreement on Trade in Services. WTO, 1995.